panic: cgroupfs: pids controller pending pool would be negative if charge was allowed: current pool: 0, proposed charge: -1 goroutine 1960049 [running]: panic({0xfe1160, 0xc003ca9d80}) GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc00081aea0 sp=0xc00081ade0 pc=0x435837 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*pidsController).Charge(0xc003ede8a0, 0xc006b36000, 0x11c1c2d?, 0x4?, 0xffffffffffffffff) pkg/sentry/fsimpl/cgroupfs/pids.go:207 +0x5f4 fp=0xc00081af88 sp=0xc00081aea0 pc=0xdbed74 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*cgroupInode).Charge(0xc00929c400, 0xc009ad01f0?, 0xc009ad0000?, {0x11c1c2d, 0x4}, 0x0?, 0x0?) pkg/sentry/fsimpl/cgroupfs/base.go:321 +0x10d fp=0xc00081b010 sp=0xc00081af88 pc=0xdb3d8d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).chargeLocked(0x449812?, 0x1e9a220?, {0x11c1c2d, 0x4}, 0x2bc0?, 0xc001186120?) pkg/sentry/kernel/task_cgroup.go:234 +0xd7 fp=0xc00081b0d0 sp=0xc00081b010 pc=0xa08937 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).ChargeFor(0xc001d5a000, 0xc00081b188?, {0x11c1c2d, 0x4}, 0xc00081b100?, 0x0?) pkg/sentry/kernel/task_cgroup.go:245 +0xdf fp=0xc00081b158 sp=0xc00081b0d0 pc=0xa08a9f gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func1() pkg/sentry/kernel/task_start.go:194 +0x45 fp=0xc00081b1a8 sp=0xc00081b158 pc=0xa27665 gvisor.dev/gvisor/pkg/cleanup.clean({0xc001032a90, 0xa2ef0f?, 0xc00023a9a0?}) pkg/cleanup/cleanup.go:59 +0x42 fp=0xc00081b1c0 sp=0xc00081b1a8 pc=0x6e7ba2 gvisor.dev/gvisor/pkg/cleanup.(*Cleanup).Clean(0xc00081b490) pkg/cleanup/cleanup.go:44 +0x36 fp=0xc00081b1e8 sp=0xc00081b1c0 pc=0x6e79d6 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func2() pkg/sentry/kernel/task_start.go:180 +0x26 fp=0xc00081b200 sp=0xc00081b1e8 pc=0xa27706 runtime.deferreturn() GOROOT/src/runtime/panic.go:436 +0x33 fp=0xc00081b240 sp=0xc00081b200 pc=0x434953 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask(0xc00023a9a0, {0x140b6d0?, 0xc001d5a000?}, 0xc00081b7d8) pkg/sentry/kernel/task_start.go:211 +0x929 fp=0xc00081b4b8 sp=0xc00081b240 pc=0xa26e89 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).NewTask(0xc001d5a000?, {0x140b6d0, 0xc001d5a000}, 0xc00081b7d8) pkg/sentry/kernel/task_start.go:127 +0xb5 fp=0xc00081b530 sp=0xc00081b4b8 pc=0xa26375 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc001d5a000, 0xc00081b8b0) pkg/sentry/kernel/task_clone.go:224 +0x124f fp=0xc00081b8a0 sp=0xc00081b530 pc=0xa09e6f gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x101000101010101?, 0x10001?, 0x0?, 0x0?, 0x0?, 0x0?) pkg/sentry/syscalls/linux/sys_thread.go:208 +0x8d fp=0xc00081b918 sp=0xc00081b8a0 pc=0xad222d gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc001d5a000?, {{0x3d0f00}, {0x7fa24088f2f0}, {0x7fa24088f9d0}, {0x7fa24088f9d0}, {0x7fa24088f700}, {0x7fa24088f700}}) pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x6e fp=0xc00081b958 sp=0xc00081b918 pc=0xa98e6e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001d5a000, 0x38, {{0x3d0f00}, {0x7fa24088f2f0}, {0x7fa24088f9d0}, {0x7fa24088f9d0}, {0x7fa24088f700}, {0x7fa24088f700}}) pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc00081bc98 sp=0xc00081b958 pc=0xa29a8b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001d5a000, 0xc0040ccea0?, {{0x3d0f00}, {0x7fa24088f2f0}, {0x7fa24088f9d0}, {0x7fa24088f9d0}, {0x7fa24088f700}, {0x7fa24088f700}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc00081bcf8 sp=0xc00081bc98 pc=0xa2b074 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0002fe400?, 0xc00081be40?, {{0x3d0f00}, {0x7fa24088f2f0}, {0x7fa24088f9d0}, {0x7fa24088f9d0}, {0x7fa24088f700}, {0x7fa24088f700}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc00081bd58 sp=0xc00081bcf8 pc=0xa2ac65 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00584a840?) pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc00081be50 sp=0xc00081bd58 pc=0xa2a92c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0089fbc00?, 0xc001d5a000) pkg/sentry/kernel/task_run.go:253 +0x1125 fp=0xc00081bf60 sp=0xc00081be50 pc=0xa1c6e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001d5a000, 0xbc2) pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc00081bfc0 sp=0xc00081bf60 pc=0xa1af2c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc00081bfe0 sp=0xc00081bfc0 pc=0xa27f2a runtime.goexit() src/runtime/asm_amd64.s:1571 +0x1 fp=0xc00081bfe8 sp=0xc00081bfe0 pc=0x469321 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:370 +0x105